Centrifugal hammer assembly of speed limiter

Abstract

The utility model relates to the technical field of centrifugal hammers, and provides a speed limiter centrifugal hammer assembly which comprises a rope wheel and a fixed ratchet fixedly connected to one side wall of the rope wheel, two centrifugal hammer bodies are rotationally arranged on one side of the rope wheel, pull rods are arranged on the two centrifugal hammer bodies, and one side of one centrifugal hammer body is fixedly connected with a tension spring. Extending teeth are slidably arranged at the upper end of the centrifugal hammer body, a pushing piece is arranged between the centrifugal hammer body and the extending teeth and comprises a connecting column fixedly connected to the inner bottom wall of the centrifugal hammer body, a second screw is in threaded connection with the circumferential inner wall of the connecting column, and a limiting abutting block is fixedly connected to the upper end of the second screw. And the circumferential side of the limiting abutting block abuts against the extension teeth and the centrifugal hammer body, the two long ends of the limiting abutting block can abut against the extension teeth and the centrifugal hammer body, the position between the centrifugal hammer body and the extension teeth can be adjusted, and therefore the length of the centrifugal hammer body is increased, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of centrifugal hammer, especially a speed limiter centrifugal hammer assembly. BACKGROUND

[0002] The centrifugal hammer in the speed limiter triggers the speed limiter through centrifugal force, and ensures that the mechanical equipment can brake in time when overspeeding;

[0003] The size of the centrifugal hammer body in the present speed limiter is generally fixed, the length of the centrifugal hammer body cannot be adjusted according to requirements, when the centrifugal hammer body is replaced, only the centrifugal hammer body matched with the fixed ratchet can be replaced, and the use is not convenient enough and the limitation is relatively large. SUMMARY

[0004] According to the deficiencies in the prior art, the utility model discloses a speed limiter centrifugal hammer assembly, which has the effect of adjusting the size of the centrifugal hammer body, thereby being convenient to use.

[0005] The above technical purpose of the utility model is realized through the following technical scheme:

[0006] A speed limiter centrifugal hammer assembly, comprising a rope wheel and a fixed ratchet fixedly connected to one side wall of the rope wheel, two centrifugal hammer bodies are rotatably arranged on one side of the rope wheel, a pull rod is arranged on the two centrifugal hammer bodies, and one side of one of the centrifugal hammer bodies is fixedly connected with a pull spring.

[0007] The upper end of the centrifugal hammer body is slidably provided with an extension tooth, a pusher is arranged between the centrifugal hammer body and the extension tooth, the pusher comprises a connecting column fixedly connected to the inner bottom wall of the centrifugal hammer body, a second screw rod is threadedly connected to the circumferential inner wall of the connecting column, a limiting block is fixedly connected to the upper end of the second screw rod, and the circumferential side of the limiting block abuts against the extension tooth and the centrifugal hammer body.

[0008] In a preferred example, the utility model can be further configured as follows: one side wall of the centrifugal hammer body is fixedly connected with two T-shaped limiting rods, two T-shaped grooves are formed in one side of the extension tooth, and the T-shaped limiting rods are slidably connected in the T-shaped grooves.

[0009] In a preferred example, the utility model can be further configured as follows: the pull rod and the centrifugal hammer body are both provided with a connecting piece, the connecting piece comprises a rotating column fixedly connected to the upper end of the extension tooth, the pull rod is rotatably connected to the circumferential side of the rotating column, and a first screw rod is threadedly connected to the circumferential inner wall of the rotating column.

[0010] The utility model discloses a further configuration in a preferable example can be: one side of the tension spring is provided with the adjusting spare, the adjusting spare includes the mounting plate of installing one side of the rope wheel, one side of the mounting plate is provided with the adjusting bolt, and the other side of adjusting bolt is screwed through the mounting plate, and the end of adjusting bolt is rotatably connected with the connecting block, and the tension spring is connected with the connecting block through the mounting piece.

[0011] The utility model discloses a further configuration in a preferable example can be: the mounting piece includes the threaded column of fixed connection in one side of the tension spring, and the threaded connection between threaded column and connecting block.

[0012] The utility model discloses a further configuration in a preferable example can be: the upper end fixed connection of the limiting resistance block has the rotary block, and the upper end of the first screw rod is set up the cross groove.

[0013] Summarized above, the utility model discloses at least one beneficial technical effect that includes following:

[0014] 1. be provided with rope wheel, fixed ratchet, centrifugal hammer main body, extension tooth, pull rod, limiting resistance block, connecting column and second screw rod, after installing centrifugal hammer main body, through second screw rod, make limiting resistance block with connecting column connect, limiting resistance block rotates, and the two longer end of limiting resistance block can be pressed against extension tooth and centrifugal hammer main body, and the position between centrifugal hammer main body and extension tooth can be adjusted, thereby lengthening the length of centrifugal hammer main body, convenient to use.

[0015] 2. be provided with tension spring, threaded column, connecting block, mounting plate and adjusting bolt, and the position of connecting block can be adjusted by rotating adjusting bolt, thereby adjusting the tension of tension spring, threaded column and connecting block can be convenient, and tension spring is separated with connecting block and adjusting bolt, and it is convenient to replace. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the perspective view of the embodiment;

[0017] Figure 2 It is the first perspective view of the embodiment Figure 1 of the embodiment;

[0018] Figure 3 It is the first perspective view of the embodiment;

[0019] Figure 4 It is the first perspective view of the embodiment Figure 3 of the embodiment;

[0020] Figure 5 It is the second perspective view of the embodiment;

[0021] Figure 6 It is the first perspective view of the embodiment Figure 5 of the embodiment.

[0022] In the diagram, 1. Sheave; 2. Fixed ratchet; 3. Pull rod; 4. Centrifugal hammer body; 5. Extension tooth; 6. T-shaped limit rod; 7. T-slot; 8. Rotating column; 9. First screw; 10. Rotating block; 11. Limiting block; 12. Tension spring; 13. Connecting block; 14. Threaded column; 15. Mounting plate; 16. Adjusting bolt; 17. Connecting column; 18. Second screw; 20. Cross groove. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings.

[0024] Example:

[0025] Reference Figures 1-6 The present invention discloses a centrifugal hammer assembly for a speed limiter, including a rope wheel 1 and a fixed ratchet 2 fixedly connected to one side wall of the rope wheel 1. Two centrifugal hammer bodies 4 are rotatably arranged on one side of the rope wheel 1. A pull rod 3 is provided on the two centrifugal hammer bodies 4. A tension spring 12 is fixedly connected to one side of one of the centrifugal hammer bodies 4.

[0026] An extension tooth 5 is slidably provided on the upper end of the centrifugal hammer body 4. A pusher is provided between the centrifugal hammer body 4 and the extension tooth 5. The pusher includes a connecting column 17 fixedly connected to the inner bottom wall of the centrifugal hammer body 4. A second screw 18 is threadedly connected to the circumferential inner wall of the connecting column 17. A limit block 11 is fixedly connected to the upper end of the second screw 18, and the circumferential side of the limit block 11 abuts against the extension tooth 5 and the centrifugal hammer body 4.

[0027] In this embodiment, reference Figure 6 The positions of the centrifugal hammer body 4 and the extension tooth 5 are specified. The extension tooth 5 slides back and forth on the inner bottom wall of the centrifugal hammer body 4, allowing adjustment of the length of the centrifugal hammer body 4. (See reference...) Figure 6 The connecting post 17 in the middle has a threaded groove at its upper end that matches the second screw 18;

[0028] Regarding the specific adjustment method of the centrifugal hammer body 4 and the extension tooth 5, after installing the centrifugal hammer body 4, hold the limiting block 11 and insert the second screw 18 into the connecting post 17. Rotate the limiting block 11, thereby rotating the second screw 18. The second screw 18 is threadedly connected to the connecting post 17, so that the limiting block 11 is connected to the connecting post 17. During the downward rotation of the limiting block 11, the two longer ends of the limiting block 11 can abut against the extension tooth 5 and the centrifugal hammer body 4, thereby adjusting the position between the centrifugal hammer body 4 and the extension tooth 5, thereby lengthening the length of the centrifugal hammer body 4 for convenient use.

[0029] For the shape of extension tooth 5, please refer to... Figure 4, the two longer ends of the extension tooth 5 can abut against the centrifugal hammer body 4 and the extension tooth 5, when the longer end of the limiting block 11 rotates to the vertical state, the moving distance of the extension tooth 5 is the longest, when the longer end of the limiting block 11 rotates to the horizontal state, the extension tooth 5 can be moved, so that the moving distance of the extension tooth 5 is the shortest.

[0030] Further, please refer to Figure 4 and Figure 6 , one side wall of the centrifugal hammer body 4 is fixedly connected with two T-shaped limiting rods 6, one side of the extension tooth 5 is provided with two T-shaped grooves 7, and the T-shaped limiting rod 6 is slidingly connected in the T-shaped groove 7.

[0031] In this embodiment, referring to the T-shaped limiting rod 6 in Figure 4 , one side of the T-shaped limiting rod 6 is fixedly connected with a circular limiting block, the circular block slides in the T-shaped groove 7 and cannot leave the T-shaped groove 7, so that the centrifugal hammer body 4 and the extension tooth 5 are in a state of being connected and sliding.

[0032] Further, please refer to Figure 1 , Figure 3 and Figure 4 , the connecting piece is arranged on the pull rod 3 and the centrifugal hammer body 4, the connecting piece comprises a rotating column 8 fixedly connected to the upper end of the extension tooth 5, the rotating column 8 is rotatably connected to the circumferential side of the pull rod 3, and the circumferential inner wall of the rotating column 8 is threadedly connected with a first screw rod 9.

[0033] In this embodiment, referring to Figure 1 , the specific number of the connecting pieces is four groups, the pull rod 3 is connected with two extension teeth 5 through two groups of connecting pieces, and each centrifugal hammer body 4 is connected with the rope wheel 1 through one group of connecting pieces;

[0034] The above is described by taking the connecting piece arranged on the extension tooth 5 as an example, for the connecting piece on the centrifugal hammer body 4, the rotating column 8 is fixed at the upper end of the rope wheel 1, the centrifugal hammer body 4 is rotatably arranged on the circumferential side of the rotating column 8, and the first screw rod 9 is threadedly connected in the rotating column 8, so that the centrifugal hammer body 4 can be prevented from being separated from the rotating column 8;

[0035] Referring to Figure 4 , the specific connection mode of the pull rod 3 and the extension tooth 5 is that the extension tooth 5 is sleeved on the surface of the rotating column 8, the first screw rod 9 is rotated, the first screw rod 9 is threadedly connected with the rotating column 8, the first screw rod 9 can prevent the pull rod 3 from being separated from the surface of the rotating column 8, and the centrifugal hammer body 4 and the rope wheel 1 are also installed in this way, so that the centrifugal hammer body 4 and the pull rod 3 can be conveniently replaced separately.

[0036] Further, please refer to, 1 and Figure 2, one side of the tension spring 12 is provided with an adjusting member, the adjusting member comprises a mounting plate 15 mounted on one side of the rope wheel 1, one side of the mounting plate 15 is provided with an adjusting bolt 16, and the adjusting bolt 16 is threaded through the other side of the mounting plate 15, the end of the adjusting bolt 16 is rotatably connected with a connecting block 13, and the tension spring 12 is connected with the connecting block 13 through a mounting member.

[0037] In the embodiment, although not shown in the figure, the mounting plate 15 can be fixed with the rope wheel 1 through a screw;

[0038] Reference Figure 2 The specific adjusting mode of the connecting block 13 is that the adjusting bolt 16 is rotated, the adjusting bolt 16 is threadedly connected with the mounting plate 15, the adjusting bolt 16 is close to the connecting block 13, and the connecting block 13 gradually pulls the tension spring 12 as the rotation starts to move, the position of the tension spring 12 can be adjusted, and the pulling force on the centrifugal hammer body 4 can also be adjusted.

[0039] Further, please refer to Figure 2 The mounting member comprises a threaded column 14 fixedly connected to one side of the tension spring 12, and the threaded column 14 is threadedly connected between the connecting block 13.

[0040] In the embodiment, referring to the connecting block 13 in Figure 2 A threaded groove matched with the threaded column 14 is formed on the side of the connecting block 13 close to the tension spring 12, when the tension spring 12 is installed, the threaded column 14 is rotated and threaded into the groove, the tension spring 12 can be conveniently replaced, because the tension spring 12 will be damaged after long-term use, the adjusting bolt 16, the mounting plate 15 and the connecting block 13 are relatively less damaged, have a longer service life, and do not need to be replaced frequently.

[0041] Further, please refer to Figure 4 and Figure 5 The upper end of the limiting block 11 is fixedly connected with a rotating block 10, and the upper end of the first screw rod 9 is provided with a cross groove 20.

[0042] In the embodiment, the rotating block 10 can conveniently rotate the limiting block 11, and the cross groove 20 can also conveniently rotate the first screw rod 9.

[0043] The implementation principle of the above embodiment is that after the centrifugal hammer body 4 is installed, the limiting block 11 is held by hand, the second screw rod 18 is inserted into the connecting column 17, the limiting block 11 is rotated, the second screw rod 18 is threadedly connected with the connecting column 17, the limiting block 11 is connected with the connecting column 17, in the process of rotating downward, the two longer ends of the limiting block 11 can resist the extension tooth 5 and the centrifugal hammer body 4 as the rotation, the position between the centrifugal hammer body 4 and the extension tooth 5 can be adjusted, so as to lengthen the length of the centrifugal hammer body 4, and facilitate use.

[0044] That which is not described in detail in the specification is considered to be known by those skilled in the art.

[0045] The embodiments of the specific implementation are the preferred embodiments of the utility model, not limited to the protection scope of the utility model, so: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A centrifugal weight assembly for a speed limiter, comprising a sheave (1) and a fixed ratchet (2) fixedly connected to one side wall thereof, characterized in that: One side of the rope wheel (1) is rotatably provided with two centrifugal hammer bodies (4), two pull rods (3) are arranged on the centrifugal hammer bodies (4), and one side of one of the centrifugal hammer bodies (4) is fixedly connected with a tension spring (12); The upper end of the centrifugal hammer body (4) is slidably provided with an extension tooth (5), a pusher is arranged between the centrifugal hammer body (4) and the extension tooth (5), the pusher comprises a connecting column (17) fixedly connected to the inner bottom wall of the centrifugal hammer body (4), a second screw rod (18) is threadedly connected to the circumferential inner wall of the connecting column (17), the upper end of the second screw rod (18) is fixedly connected with a limiting block (11), and the circumferential side of the limiting block (11) abuts against the extension tooth (5) and the centrifugal hammer body (4).

2. A centrifugal weight assembly for a governor as defined in claim 1 wherein: One side wall of the centrifugal hammer body (4) is fixedly connected with two T-shaped limiting rods (6), one side of the extension tooth (5) is provided with two T-shaped grooves (7), and the T-shaped limiting rods (6) are slidably connected in the T-shaped grooves (7).

3. A centrifugal weight assembly for a governor as defined in claim 1 wherein: The pull rod (3) and the centrifugal hammer body (4) are both provided with connecting pieces, the connecting pieces comprise a rotating column (8) fixedly connected to the upper end of the extension tooth (5), the pull rod (3) is rotatably connected to the circumferential side of the rotating column (8), and the circumferential inner wall of the rotating column (8) is threadedly connected with a first screw rod (9).

4. A centrifugal weight assembly for a governor as defined in claim 1 wherein: One side of the tension spring (12) is provided with an adjusting piece, the adjusting piece comprises a mounting plate (15) mounted on one side of the rope wheel (1), one side of the mounting plate (15) is provided with an adjusting bolt (16), the adjusting bolt (16) is threadedly penetrated through the other side of the mounting plate (15), the end of the adjusting bolt (16) is rotatably connected with a connecting block (13), and the tension spring (12) is connected with the connecting block (13) through a mounting piece.

5. A centrifugal weight assembly for a governor as defined in claim 4 wherein: The mounting piece comprises a threaded column (14) fixedly connected to one side of the tension spring (12), and the threaded column (14) is threadedly connected with the connecting block (13).

6. A centrifugal weight assembly for a governor as defined in claim 3 wherein: The upper end of the limiting block (11) is fixedly connected with a rotating block (10), and the upper end of the first screw rod (9) is provided with a cross groove (20).

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